<template>
  <div :class="{'hidden':hidden, 'mobile': mobileObj}" class="pagination-container">
    <el-pagination :hide-on-single-page="show" :background="background"
      :current-page.sync="currentPage" :key="lang" :page-size.sync="pageSize" :layout="layout" :total="total"
      v-bind="$attrs" @size-change="handleSizeChange" @current-change="handleCurrentChange" />
  </div>
</template>

<script>
import { scrollTo } from "@/utils/scrollTo";
import { isMobile } from "@/utils";

export default {
  name: "Pagination",
  props: {
    show: {
      type: Boolean,
      default: true,
    },
    total: {
      required: true,
      type: Number,
    },
    page: {
      type: Number,
      default: 1,
    },
    limit: {
      type: Number,
      default: 10,
    },
    pageSizes: {
      type: Array,
      default() {
        return [10, 20, 30, 50];
      },
    },
    layout: {
      type: String,
      default: isMobile()
        ? "total, prev, pager, next"
        : "total, sizes, prev, pager, next, jumper",
    },
    background: {
      type: Boolean,
      default: true,
    },
    autoScroll: {
      type: Boolean,
      default: true,
    },
    hidden: {
      type: Boolean,
      default: false,
    },
  },
  computed: {
    lang(){
      return this.$store.state.app.language;
    },
    mobileObj() {
      return !!isMobile();
    },
    currentPage: {
      get() {
        return this.page;
      },
      set(val) {
        this.$emit("update:page", val);
      },
    },
    pageSize: {
      get() {
        return this.limit;
      },
      set(val) {
        this.$emit("update:limit", val);
      },
    },
  },
  methods: {
    handleSizeChange(val) {
      this.$emit("pagination", { page: this.currentPage, limit: val });
      if (this.autoScroll) {
        scrollTo(0, 800);
      }
    },
    handleCurrentChange(val) {
      this.$emit("pagination", { page: val, limit: this.pageSize });
      if (this.autoScroll) {
        scrollTo(0, 800);
      }
    },
  },
};
</script>

<style scoped>
.pagination-container {
  background: #fff;
  padding: 32px 16px;
}
.pagination-container.hidden {
  display: none;
}

.pagination-container.mobile {
  padding: 10px 0;
  margin-top: 0;
}
</style>
